diff --git a/reference/projects.yaml b/reference/projects.yaml
index 13066394d..1cef2bbc5 100644
--- a/reference/projects.yaml
+++ b/reference/projects.yaml
@@ -2100,6 +2100,9 @@ nova:
     placement:
       repos:
         - openstack/placement
+    os-resource-classes:
+      repos:
+        - openstack/os-resource-classes
 
 octavia:
   ptl: